add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/Documentation/driver-api/usb/dma.rst
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 The big picture is that USB drivers can continue to ignore most DMA issues,
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 though they still must provide DMA-ready buffers (see
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-``Documentation/DMA-API-HOWTO.txt``).  That's how they've worked through
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+:doc:`/core-api/dma-api-howto`).  That's how they've worked through
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 the 2.4 (and earlier) kernels, or they can now be DMA-aware.
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 DMA-aware usb drivers:
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   force a consistent memory access ordering by using memory barriers.  It's
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   not using a streaming DMA mapping, so it's good for small transfers on
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   systems where the I/O would otherwise thrash an IOMMU mapping.  (See
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-  ``Documentation/DMA-API-HOWTO.txt`` for definitions of "coherent" and
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+  :doc:`/core-api/dma-api-howto` for definitions of "coherent" and
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   "streaming" DMA mappings.)
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   Asking for 1/Nth of a page (as well as asking for N pages) is reasonably
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 Existing buffers aren't usable for DMA without first being mapped into the
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 DMA address space of the device.  However, most buffers passed to your
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 driver can safely be used with such DMA mapping.  (See the first section
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-of Documentation/DMA-API-HOWTO.txt, titled "What memory is DMA-able?")
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+of :doc:`/core-api/dma-api-howto`, titled "What memory is DMA-able?")
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 - When you're using scatterlists, you can map everything at once.  On some
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   systems, this kicks in an IOMMU and turns the scatterlists into single